MEMORANDUM *

Government Computer Sales, Inc. (“GCS”), appeals the district court’s dis *638 missal of its Complaint against Dell, Inc. (“Dell, Inc.”) and Dell Marketing, LP (“Dell Marketing”), (collectively “Defendants”). See Fed. R. Civ. P. 12(b)(6). GCS alleges breach of contract, quantum meruit, fraud, tortious interference, and an Alaska Unfair Trade Practice and Consumer Protection Act claim (“AUTPCPA”) stemming from Dell Marketing’s direct sale of its computer products to Alaska public entities beginning on November 14, 2000. Because the parties are familiar with the facts, we do not recite them here.

The June 17, 1998, Remarketer/Integrator Agreements (“R/I Agreements”) mandate that GCS’ status as a reseller is “not exclusive in any way,” and provide that “Dell may sell to and accept orders from any buyer or end user, including [GCS’] customers.” The R/I Agreements constitute the complete and entire agreement between the parties, and can be amended only by a signed writing. The R/I Agreements state that Texas law governs the parties’ relationship. Alaska law is no different except as to the AUTPCPA claim.

The R/I Agreements provide that: “[t]his Agreement will terminate upon the termination of the Authorized Contract(s), if any, listed on Schedule A.” The R/I Agreements also provide that they will renew from year to year automatically unless terminated on 80-days’ notice by one of the parties. GCS does not claim that a Schedule A was attached when it signed the R/I Agreements. Furthermore, neither party terminated the R/I Agreements.

The parol evidence rule bars consideration of the GCS allegation that it made a contemporaneous verbal agreement with Dell Marketing that Dell Marketing would create a Schedule A, which would have terminated the Agreements in 2000. “It is settled that when contracting parties have concluded a valid integrated agreement, whether written or oral, dealing with the particular subject matter they have between them, the parol evidence rule will prevent enforcement of prior or contemporaneous agreements which are inconsistent with the integrated agreement.” Weinacht v. Phillips Coal Co., 673 S.W.2d 677, 679 (Tex.App.1984). Here, the R/I Agreements are valid integrated agreements. The parol evidence rule bars consideration of evidence to modify the terms of the written R/I Agreements. Thus, the R/I Agreements were in effect throughout the course of this dispute.

GCS objects to consideration of the R/I Agreements in a 12(b)(6) motion, but a court may consider a document on a motion to dismiss if that document is integral to the plaintiffs claims and its authenticity is not in dispute, even if the plaintiff elects not to attach that document to its complaint. Par rino v. FHP, Inc., 146 F.3d 699 , 706 & n. 4 (9th Cir.1998) (superseded by statute on other grounds). The terms of the R/I Agreements define the remarketer relationship at issue in this dispute. Thus, the R/I Agreements are integral to GCS’ claims.

GCS did not challenge the authenticity of the R/I Agreements below and cannot do so now for the first time on appeal. Thus, we may properly consider the R/I Agreements. We are satisfied that the R/I Agreements defeat GCS’ claims.

1. The R/I Agreements defeat GCS’ claim that Defendants breached a valid oral contract. Texas law mandates that “[a] signed agreement which excludes modification or rescission except by a signed writing cannot be otherwise modi *639 fled or rescinded.” Tex. Bus. & Com.Code Ann § 2.209(b). Here, the R/I Agreements provide that they are “the exclusive statement of the contract in effect between Dell and [GCS] regarding this subject matter.” The R/I Agreements further provide that “this Agreement may not be amended except by a subsequently dated written instrument signed on behalf of both parties by a duly authorized representative.” Thus, GCS did not properly plead a breach of contract claim.

2. The R/I Agreements defeat GCS’ claim for quantum meruit. A plaintiff cannot recover in quantum meruit if there is an express contract covering the services or goods in question. See Truly v. Austin, 744 S.W.2d 934, 936 (Tex.1988). Here, the R/I Agreements expressly cover the services that GCS provided to Dell Marketing. Thus, the Defendants have not been unjustly enriched.

3. The R/I Agreements defeat GCS’ claim for fraud and negligent misrepresentation. GCS claims that Dell Marketing made oral representations promising GCS exclusivity as the reseller of Dell products. Justifiable reliance is an essential element of intentional or negligent misrepresentation. Ernst & Young, L.L.P. v. Pacific Mut. Life Ins. Co., 51 S.W.3d 573, 577 (Tex.2001). Justifiable reliance cannot be established where a written contract exists whose terms contradict the oral representation. See In re U.S. Office Prods. Co. Sec. Lit., 251 F.Supp.2d 58, 75 (D.D.C.2003) (holding that a party could not reasonably rely on representations made after a contract is formed where those representations are contradicted by the language of the agreement); Durkee v. Goodyear Tire & Rubber Co., 676 F.Supp. 189, 193 (W.D.Wis.1987) (ruling that a party could not reasonably rely on promises of exclusivity that were contradicted by the contract itself); Mgmt. Assistance, Inc. v. Computer Dimensions, Inc., 546 F.Supp. 666, 672 (N.D.Ga.1982) (same).

Here, the R/I Agreements provide Dell Marketing with the authority to sell directly to GCS’ customers, which clearly conflicts with the alleged oral representations giving GCS the exclusive right to sell Dell products to Alaska public entities. Thus, GCS could not have reasonably relied on the alleged oral representations and GCS did not properly plead a claim for intentional or negligent misrepresentation.

4. The R/I Agreements defeat GCS’ claim for tortious interference. A defendant cannot be liable for tortious interference with either existing or prospective contracts if its challenged conduct was privileged or justified. Texas Beef Cattle Co. v. Green, 921 S.W.2d 203, 210 (Tex. 1996). Here, the R/I Agreements provide Dell Marketing with the authority to sell directly to GCS’ customers. Thus, Dell’s direct sales to Alaska public entities were justified under the terms of the R/I Agreements and GCS did not properly plead a claim for tortious interference.

5. The R/I Agreements defeat GCS’ AUTP-CPA claim. The R/I Agreements’ choice-of-law provisions explicitly state that Texas, not Alaska, law governs the parties’ relationship.

Finally, the district court did not abuse its discretion in denying leave to amend because the court properly determined “that the allegation of other facts consistent with the challenged pleading could not possibly cure the deficiency.” Schreiber Distrib. Co. v. Serv-Well Furniture Co., Inc., 806 F.2d 1393 , 1401 (9th Cir.1986). GCS has already been given two previous opportunities to amend its Complaint; an additional opportunity to amend would be futile because GCS has *640 not alleged any additional facts or circumstances that give rise to a claim. It was thus not an abuse of discretion for the district court to deny GCS’ request for further leave to amend.

AFFIRMED.

This disposition is not appropriate for publication and may not be cited to or by the courts *638 of this circuit except as provided by 9th Cir. R. 36-3.